Gaya APA
Ooi, Xandria. (2019).
Be Happy, Always .
US America:
Mango Publishing.
Gaya Chicago
Ooi, Xandria.
Be Happy, Always.
US America:
Mango Publishing,
2019.
Text.
Gaya MLA
Ooi, Xandria.
Be Happy, Always.
US America:
Mango Publishing,
2019.
Text.
Gaya Turabian
Ooi, Xandria.
Be Happy, Always.
US America:
Mango Publishing,
2019.
Print.